Castle Defense is an attractive tower defense game with simple gameplay. The game is designed in 20 levels. The gameplay is simple and understandable for the player. You can create more stages for the game or customize it as you wish, for this please read the documentations. During the game, waves of enemies will come at you. With the cards you have, you have to prevent them from entering and destroy them. You will be defeated when 10 enemies cross your area.